v3.26.1
Summary of Significant Accounting Policies (Details) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Summary of Significant Accounting Policies [Line Items]      
Restricted cash $ 3,930,000   $ 3,930,000
Customer deposits 968,000   $ 391,000
Recognized revenue 100,000 $ 531,000  
Backlog relating to remaining performance obligations 134,700,000    
Stock-based compensation expense for employees 950,000 435,000  
Stock-based compensation for directors 14,000 39,000  
Share-Based Payment Arrangement, Employee [Member]      
Summary of Significant Accounting Policies [Line Items]      
Stock-based compensation expense for employees 535,000 435,000  
Director [Member]      
Summary of Significant Accounting Policies [Line Items]      
Stock-based compensation for directors $ 429,000 $ 39,000